A rubber ball of radius 2.52 m and emissivity 0.940 is heated to 128°C. HINT (a) Convert the given temperature to Kelvin. (Enter your answer to at least three significant figures.) K (b) What is the surface area (in m2) of the ball? m2 (c) If the ambient temperature is 22.0°C, what net power (in W) does the ball radiate? W

A rubber ball of radius 2.52 m and emissivity 0.940 is heated to 128°C. HINT (a) Convert the given temperature to Kelvin. (Enter your answer to at least three significant figures.) K (b) What is the surface area (in m2) of the ball? m2 (c) If the ambient temperature is 22.0°C, what net power (in W) does the ball radiate? W

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter1: Temperature And Heat

Section: Chapter Questions

Problem 79P: In 1986, an enormous iceberg broke away from the Ross Ice Shelf in Antarctica. It was an...

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Question

A rubber ball of radius 2.52 m and emissivity 0.940 is heated to 128°C.

HINT

(a)

Convert the given temperature to Kelvin. (Enter your answer to at least three significant figures.)

(b)

What is the surface area (in m²) of the ball?

m²

(c)

If the ambient temperature is 22.0°C, what net power (in W) does the ball radiate?

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